Nanjing New & High TeMET mainly specialize in manufacturing marine buoy products with material of steel, high polymer and FRP. Our range of navigation aids has expanded to include: marine lanterns, high-precision sector lights, leading lights, bridge lighting, rotationally-molded buoy products, and products to provide safe environments for maritime customers in the world.chnology Industry. 2017. 12. 27. · Marine engineering broadly refers to the engineering of boats, ships, oil rigs and any other marine vessel or structure. Specifically, marine engineering Is the discipline of applying engineering sciences, mostly mechanical and electrical engineering, to the development, design, operation and maintenance of watercraft propulsion and on- board systems; e. G. Power and.